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-rw-r--r--activemodel/lib/active_model/conversion.rb13
-rw-r--r--activemodel/lib/active_model/dirty.rb16
2 files changed, 19 insertions, 10 deletions
diff --git a/activemodel/lib/active_model/conversion.rb b/activemodel/lib/active_model/conversion.rb
index 8bcad6db0f..12687c70d3 100644
--- a/activemodel/lib/active_model/conversion.rb
+++ b/activemodel/lib/active_model/conversion.rb
@@ -46,9 +46,13 @@ module ActiveModel
# class Person
# include ActiveModel::Conversion
# attr_accessor :id
+ #
+ # def initialize(id)
+ # @id = id
+ # end
# end
#
- # person = Person.create(id: 1)
+ # person = Person.new(1)
# person.to_key # => [1]
def to_key
key = respond_to?(:id) && id
@@ -61,12 +65,17 @@ module ActiveModel
# class Person
# include ActiveModel::Conversion
# attr_accessor :id
+ #
+ # def initialize(id)
+ # @id = id
+ # end
+ #
# def persisted?
# true
# end
# end
#
- # person = Person.create(id: 1)
+ # person = Person.new(1)
# person.to_param # => "1"
def to_param
(persisted? && key = to_key) ? key.join("-") : nil
diff --git a/activemodel/lib/active_model/dirty.rb b/activemodel/lib/active_model/dirty.rb
index a8df7522ff..6e0af99ad7 100644
--- a/activemodel/lib/active_model/dirty.rb
+++ b/activemodel/lib/active_model/dirty.rb
@@ -26,8 +26,8 @@ module ActiveModel
#
# define_attribute_methods :name
#
- # def initialize(name)
- # @name = name
+ # def initialize
+ # @name = nil
# end
#
# def name
@@ -66,11 +66,11 @@ module ActiveModel
# person.name = 'Bob'
# person.changed? # => true
# person.name_changed? # => true
- # person.name_changed?(from: "Uncle Bob", to: "Bob") # => true
- # person.name_was # => "Uncle Bob"
- # person.name_change # => ["Uncle Bob", "Bob"]
+ # person.name_changed?(from: nil, to: "Bob") # => true
+ # person.name_was # => nil
+ # person.name_change # => [nil, "Bob"]
# person.name = 'Bill'
- # person.name_change # => ["Uncle Bob", "Bill"]
+ # person.name_change # => [nil, "Bill"]
#
# Save the changes:
#
@@ -80,9 +80,9 @@ module ActiveModel
#
# Reset the changes:
#
- # person.previous_changes # => {"name" => ["Uncle Bob", "Bill"]}
+ # person.previous_changes # => {"name" => [nil, "Bill"]}
# person.name_previously_changed? # => true
- # person.name_previous_change # => ["Uncle Bob", "Bill"]
+ # person.name_previous_change # => [nil, "Bill"]
# person.reload!
# person.previous_changes # => {}
#